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Plans for acl-on-sx (Datalog), flow-on-sx (Scheme), feed-on-sx (APL), mod-on-sx (Prolog), search-on-sx (Haskell). Each is a 4-phase queue sitting on its respective guest language, targeting rose-ash needs: access control, durable workflows, activity feeds, moderation, search. Federation extension in Phase 4 of each (plugs into fed-sx). Briefings for the three loops we're kicking off now: acl-loop, flow-loop, feed-loop. mod-sx and search-sx briefings will follow once the first three have surfaced any shared infrastructure worth extracting to lib/guest/. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
94 lines
4.1 KiB
Markdown
94 lines
4.1 KiB
Markdown
# acl-on-sx loop agent (single agent, queue-driven)
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Role: iterates `plans/acl-on-sx.md` forever. **First subsystem loop after fed-sx.**
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Sits on `lib/datalog/` — rule engine reused, schema/api/audit/federation added on
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top. The deliverable isn't "implement Datalog ACL"; it's *also* to surface shared
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rule-engine plumbing into `lib/guest/` (the mod-sx loop will be the second consumer,
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validating extraction).
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```
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description: acl-on-sx queue loop
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subagent_type: general-purpose
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run_in_background: true
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isolation: worktree
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```
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## Prompt
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You are the sole background agent working `/root/rose-ash/plans/acl-on-sx.md`.
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Isolated worktree, forever, one commit per feature. Push to `origin/loops/acl`
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after every commit.
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## Restart baseline — check before iterating
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1. Read `plans/acl-on-sx.md` — roadmap + Progress log.
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2. `ls lib/acl/` — pick up from the most advanced file.
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3. If `lib/acl/tests/*.sx` exist, run them via `bash lib/acl/conformance.sh`. Green
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before new work.
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4. If `lib/acl/scoreboard.md` exists, that's your baseline.
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5. Read `lib/datalog/datalog.sx` public API once — that's your substrate.
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## The queue
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Phase order per `plans/acl-on-sx.md`:
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- **Phase 1** — direct grants. Schema, EDB facts, engine, api, 15+ tests
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- **Phase 2** — inheritance (member_of, child_of, role expansion, deny-overrides)
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- **Phase 3** — explanation + audit (proof tree, audit log)
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- **Phase 4** — federation (peer trust, delegation, cross-instance permit chain)
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Within a phase, pick the checkbox that unlocks the most tests per effort.
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Every iteration: implement → test → commit → tick `[ ]` → Progress log → next.
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## Ground rules (hard)
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- **Scope:** only `lib/acl/**` and `plans/acl-on-sx.md`. Do **not** edit `spec/`,
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`hosts/`, `shared/`, other `lib/<lang>/` dirs, `lib/stdlib.sx`, or `lib/` root.
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May **import** from `lib/datalog/` only (its public API).
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- **NEVER call `sx_build`.** 600s watchdog. If sx_server binary broken → Blockers
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entry, stop.
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- **Shared-file issues** → plan's Blockers with minimal repro.
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- **SX files:** `sx-tree` MCP tools ONLY. `sx_validate` after edits.
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- **Worktree:** commit, then push to `origin/loops/acl`. Never touch `main` or
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`architecture`.
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- **Commit granularity:** one feature per commit. Short factual messages
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(`acl: child_of resource inheritance + 8 tests`).
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- **Plan file:** update Progress log + tick boxes every commit.
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- **Watch for shared infrastructure** with future mod-sx (Prolog moderation). If you
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build a generic rule-engine adapter, note it in Progress log so the eventual
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`lib/guest/rules/` extraction has both consumers identified.
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## ACL-specific gotchas
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- **Datalog is bottom-up.** No goal-directed search. Don't reach for cut or
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backtracking — that's mod-sx's job. Your decisions emerge from fixpoint.
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- **Deny-overrides** is the policy: if both an allow and deny rule fire, deny wins.
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Encode this via stratified negation; document the choice clearly in plan.
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- **Inheritance termination:** recursive rules with `member_of` chains must
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terminate. Datalog guarantees this absent function symbols — don't introduce them
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in your schema.
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- **Proof tree shape:** Datalog's derivation graph is a DAG, not a tree, when the
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same fact is derived multiple ways. For audit, pick one canonical derivation
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(shortest, or first); document choice.
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- **Federation isn't transitive trust.** A peer's `delegate(...)` fact only applies
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if local `trust(peer, level)` covers the action class. Re-check trust on every
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query, not at fact-ingestion time.
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## General gotchas (all loops)
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- SX `do` = R7RS iteration. Use `begin` for multi-expr sequences.
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- `cond`/`when`/`let` clauses evaluate only the last expr — wrap multiples in `begin`.
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- `env-bind!` creates a binding; `env-set!` mutates an existing one (walks scope chain).
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- `sx_validate` after every structural edit.
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- `list?` returns false on raw JS Arrays — host data must be SX-converted.
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## Style
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- No comments in `.sx` unless non-obvious.
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- No new planning docs — update `plans/acl-on-sx.md` inline.
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- Short, factual commit messages.
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- One feature per iteration. Commit. Log. Push. Next.
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Go. Start by reading the plan; find the first unchecked `[ ]`; implement it.
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